Spoon Sports 4-2-1 Exhaust Manifold Header

The ultimate Spoon exhaust manifold, the 4-2-1 manifold, has been meticulously engineered to optimise torque and power for high-capacity, naturally aspirated Honda engines with elevated RPM capabilities. Rigorous flow and performance testing have been conducted on the exhaust manifold to deliver, with torque and outright horsepower being balanced to provide the most substantial performance gains achievable. 

This design allows for optimal exhaust scavenging meaning air flow into the combustion chamber is vastly improved.

• Stainless steel construction
• High quality tig welding for all joins
• Improved exhaust flow
• 40% weight saving over OEM
• Enables the unique VTEC sound to be heard
• Recommended to be combined with ECU tune for significant increase in power and performance

• 40% weight reduction
• Total weight of product: 6.8kg
• OEM total weight: 11.5kg

• Spoon Sports 4-2-1 Exhaust Manifold
• Gasket and hardware kit